Simulation system estimating self-heating characteristic of circuit and design method thereof

估计电路的自发热特征的模拟系统及其设计方法

Abstract

The invention discloses a simulation system estimating the self-heating characteristic of a circuit and a design method thereof. A method of designing a semiconductor circuit using a circuit simulation tool executed by a computer includes calculating power consumptions of elements of the semiconductor circuit by use of the circuit simulation tool. A thermal netlist is created about the semiconductor circuit, based on the power consumptions and geometry information of each of the elements. A simulation of the semiconductor circuit is performed with the thermal netlist using the circuit simulation tool to detect a temperature of each of the elements. The thermal netlist includes thermal capacitance information of each of the elements.
本申请公开了估计电路的自发热特征的模拟系统及其设计方法。使用由计算机执行的电路模拟工具设计半导体电路的方法包括:通过使用电路模拟工具计算所述半导体电路的元件的功耗。基于每个元件的功耗和几何信息,生成关于所述半导体电路的热网表。使用电路模拟工具利用热网表执行半导体电路的模拟以便检测每个元件的温度。所述热网表包括每个元件的热容信息。

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